Science

Marelize Wilke | Health24 17 Aug 2020, 08:45 Symptoms in Covid-19 vary from one patient to another However, scientists have found that the order of Covid-19 symptoms differs from other diseases Understanding this sequence can help speed up diagnosis and treatment Since the onset of the coronavirus pandemic, the list …

People returning from COVID-19 should not assume that they automatically have three months of immunity to reinfection, the CDC warned, after misleading reports suggested that those recovering from coronavirus would be naturally resistant to catching it again. The precaution follows misinterpreted guidance from the U.S. Centers for Disease Control and …

Although real “cyborgs” – partly human, partly robotic beings – are science fiction, researchers are taking steps to integrate electronics with the body. Such devices could check for tumor development or stand in for damaged tissue. But electronics directly connecting to human tissue in the body is an enormous challenge. …

The benefits of wearing face masks to support the spread of COVID-19 are now well understood, but scientists are still looking for better materials to use – and a ‘filter paper’ made of titanium oxide nanowires shows much promise. The new material is so good at capturing pathogens, and destroying …

During her career teaching at the Communist Party’s top academy, Cai Xia cheered on signs that China’s leaders would make their political move, making them an unusually prominent voice for democratic change close to the heart of ‘ the party. Now Mrs. Cai has turned her back on such hope, …